I have the same issues but different HW (HP 455 G7 4500u).
@ziadbasha please choose a post that solves your problem by clicking on the solution button. Thanks. This way, everyone knows that this topic is solved. 
Try to find a solution to your problem in the forum (maybe this topic). If nothing helps, open your own topic about your problem.
@cfinnberg You are right, THKS and opended.
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